HI all,
Thanks Alejandro for your reply. I am glad for your valuable
reply, as per your suggestion, now I am working on java-atk-wrapper.Its
worth mentioning that your brief explanation is quite helpful for
beginners.Thanks again!
With Regards,
Dhairyashil
On Fri, Feb 27, 2015 at 8:09 PM, Alejandro Piñeiro <apinhe...@igalia.com>
wrote:
>
> On 26/02/15 13:51, Dhairyashil Bhosale wrote:
>
> Hi all,
>
> I am new to At-SPI-1.0/2.0, I just successfully initialized
> the At-spi-init() method and just print the name of focused application
> running on GNOME. I have a lot of queries like:
>
> 1) Like in At-SPI-1.0 we set accessibility
> setting like "putenv("GNOME_ACCESSIBILITY=1");", this but in AT-SPI-2.0
> what parameters we have to set for enabling accessibility setting, for the
> time being I start ORCA screen reader and then run AT-SPI-2.0 demo example
> , so What parameters we have to set for enabling all accessibility setting
> in AT-SPI2.0?
>
>
> First, it is not at-spi-1.0 vs at-spi-2.0. For example at-spi2-2.0
> behaviour at the beginning was basically the same that at-spi1.0. Enable
> accessibility is something somewhat more broader.
>
> Unfortunately there is not a single answer for your question. How to
> enable (if needed) accessibility depends on the distro that you are using.
> During all this years, there were different ways to enable the
> accessibility support. One is the environment variable you mention, and
> there was also the gsetting "toolkit-accessibility". You can check this one
> like this:
>
> gsettings get org.gnome.desktop.interface "toolkit-accessibility"
>
> With a several recent-enough-distro, it would be enough to just set that
> gsetting to true. But in any case, you should be able to enable
> accessibility using the universal access settings dialog.
>
> If you want a distro-independent answer, this is how it works on GNOME
> upstream:
> * Since 2012 accessibility is enabled on default. So for gtk3,
> gnome-shell and others, accessibility (so at-spi2) is always enabled. You
> don't need to do anything.
> * Old applications, mostly using gtk2, are still affected by
> toolkit-accessibility gsetting.
>
> Rationale and some extra details on this email [1].
>
>
> 2) I am trying to make java application
> accessible to orca screen reader using JNI for calling At-spi's method, but
> in AT-SPI there are all get method like
> " atspi_get_text() " like this, so in simple java ,python or gtk
> application How should I implement the At-SPI-2.0 means from application
> side we have to set somthing?
>
>
> You are in the wrong side of the application. libatspi is the client
> server side library, used to write AT applications like Orca. Or in other
> words, libatspi is just used to get the info. Your approach would be valid
> if you want to write a screen reader using Java, that as far as I see, is
> not what you intend.
>
> You would need to explore the server side (more below).
>
>
> 3) I am trying to call AT-SPI from java using
> JNI interface for making java application accessible to Orca screen reader,
> but when I run the java application, the Orca can not read the title bar or
> can't access that application, even I tried the Java Accessibility API
> (JAAPI).
>
>
> Again, libatspi is the client side library. It is already implemented, in
> order to get info from the accessibility APIs. So their purpose is writing
> ATs, not to expose the applications
>
>
> SO HOW TO MAKE JAVA APPLICATION ACCESSIBLE TO
> ORCA SCREEN READER OR OTHER ASSISTIVE TECH.
>
>
> Take a look to java-atk-wrapper:
> https://git.gnome.org/browse/java-atk-wrapper
>
> This library wraps Java applications (using JNI and all that stuff),
> exposing it as another ATK implementation (like those available on gtk,
> clutter, etc). Then it uses the server side library at-spi2-atk to expose
> the information using at-spi2 APIs. So instead of starting from scratch in
> order to make java applications accessible, probably it would be better if
> you collaborate with an already started module.
>
> Best regards
>
> [1]
> https://mail.gnome.org/archives/desktop-devel-list/2012-June/msg00035.html
>
> --
> Alejandro Piñeiro (apinhe...@igalia.com)
>
>
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